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Land c.ver c.anges based on p.ant suc.essions: Deforestation, rehabilitation and degeneration of forest in the up.er Dadu River watershed

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science c.ina Earth sciences 2005年第12期48卷 2214-2230页

作者： YAN Jianzhong1,2,3, ZHANG Yili1, BAI Wanqi1, LIU Yanhua4. BAO Weikai5, LIU Linshan1, 2 & ZHENG Du1 1. Institute of Geograp.ic.sciences and Natural Resourc.s Researc., c.inese Ac.demy of sciences, beijing 100101, c.ina 2. Graduate Sc.ool of the c.inese Ac.demy of sciences, beijing 100039, c.ina 3. c.llege of Resourc.s and Environment, Southwest Agric.ltural University, c.ongqing 4.0716, c.ina 4. the ministry of science and technology, p. c. c.ina, beijing 100862, c.ina 5. c.engdu Institute of Biology, c.inese Ac.demy of sciences, c.engdu 61004., c.ina Institute of Geograp.ic.sciences and Natural Resourc.s Researc. Chinese Academy of Sciences Beijing China Graduate Sc.ool of the c.inese Ac.demy of sciences Beijing China c.llege of Resourc.s and Environment Southwest Agricultural University Chongqing China The ministry of science and technology P. C. China Beijing China c.engdu Institute of Biology Chinese Academy of Sciences Chengdu China

To link regional land use/c.ver c.anges with environmental effec.s, land c.ver c.anges are required to reflec. vegetation suc.essions, whereas the land c.ver c.assific.tion systems c.mmonly used nowadays c.nnot serve this p.rp.se. In this p.p.r, a new land c.ver c.assific.tion system is established in whic. land c.vers are c.assified by the vegetation suc.es-sions, taking Zamtang c.unty, Barkam c.unty and Jinc.uan c.unty in the up.er Dadu River watershed as a study area. Using multi-temp.ral remote sensing images, the land c.ver data of 1967, 1986 and 2000 are obtained by means of integration of unsup.rvised c.assific.tion and visual interp.etation methods. The database fac.litates the study of land use/c.ver c.anges, en-vironmental effec.s and ec.logic.l c.nstruc.ion. Land c.ver c.anges reflec. the main ec.logic.l p.oc.sses in the up.er Dadu River watershed. The landsc.p. c.mp.sed mainly of grasslands, wildwoods and alp.ne sc.ubs in 1967 was c.anged to that of grasslands, sec.ndary forests, al-p.ne sc.ubs, fragmentary wildwoods, artific.al forests, sec.ndary sc.ubs in 2000, meanwhile, the landsc.p. got more fragmentized. The total area of the forests dec.eased by 9.4.%. Study results have shown the p.oc.ss of restoration of logged areas in forest c.nters. From 1967 to 2000, only 6.86 p.rc.nts of logged areas were c.nverted to shrubs, meadows or c.op.lands, and the rest were c.nverted into artific.al forests or sec.ndary forests. So the ec.logic.l shelter func.ions will be restored, stage by stage. Firewood c.llec.ion, c.arc.al p.oduc.ion and overgrazing are the three major triggers for the extensive degradation of alp.ne oak forests, Sa-bina tibetic. forests and meadows. The arid valley grasslands exp.nded too. The degradation of vegetation in the southern slop.s imp.irs ec.logic.l shelter func.ions and affec.s livelihood of loc.l residents, so it is essential to find effec.ive measures for ec.logic.l restoration and rec.n-struc.ion. Field investigations have found

关键词： land use/c.ver c.assific.tion, up.er Dadu River watershed, vegetation suc.essions, GIS, RS.

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Modeling and verifying Web servic.s driven by requirements:An ontology-based ap.roac.

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science in c.ina(Series F) 2006年第6期49卷 792-820页

作者： HOU Lishan1,3,JIN ZHi1,2 & WU Budan1,4.1. Ac.demy of Mathematic. and Systems science, c.inese Ac.demy of sciences, beijing 100080, c.ina 2. Institute of c.mp.ting technology, c.inese Ac.demy of sciences, beijing 100080, c.ina 3. Institute of Software, c.inese Ac.demy of sciences, beijing 100080, c.ina 4. Graduate University of c.inese Ac.demy of sciences, beijing 10004., c.ina Ac.demy of Mathematic. and Systems science Chinese Academy of Sciences Beijing China Institute of Software Chinese Academy of Sciences Beijing China Institute of c.mp.ting technology Chinese Academy of Sciences Bejing China Graduate University of c.inese Ac.demy of sciences Beijing China

Automatic.disc.very and c.mp.sition of Web servic.s is an imp.rtant researc. area in Web servic. technology, in whic. the sp.c.fic.tion of Web servic.s is a key issue. This p.p.r p.esents a Web servic. c.p.bility desc.ip.ion framework based on the environment ontology. This framework dep.c.s Web servic.s c.p.bility in two asp.c.s： the op.rable environment and the environment c.anges resulting from behaviors of the Web servic.. On the basis of the framework, a requirement-driven Web servic. c.mp.sition model has been c.nstruc.ed. This p.p.r brings forward the formalization of Web servic. interac.ions with π c.lc.lus. And an automatic.mec.anism c.nverting c.nc.p.ual c.p.bility desc.ip.ion to the formal p.oc.ss exp.ession has been built. This kind of formal sp.c.fic.tion assists in verifying whether the c.mp.site Web servic. model matc.es the requirement.

关键词： Web servic. environment ontology automatic.c.mp.sition π c.lc.lus formal verific.tion.

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Analysis and ap.lic.tion of automatic.deformation monitoring data for buildings and struc.ures of mining area

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中国有色金属学会会刊：英文版 2011年第S3期21卷 516-522页

作者： XIAO Jie1, 2, 3, ZHANG Jin4.1. Institute of Geodesy and Geop.ysic., c.inese Ac.demy of sciences, Wuhan 4.0077, c.ina 2. Key Laboratory of Dynamic.Geodesy, Institute of Geodesy and Geop.ysic., c.inese Ac.demy of sciences, Wuhan 4.0077, c.ina 3. Graduate Sc.ool of c.inese Ac.demy of sciences, beijing 10004., c.ina 4. Dep.rtment of Surveying and Map.ing, Taiyuan University of{4., Taiyuan 030024. c.ina Institute of Geodesy and Geop.ysic. Chinese Academy of Sciences Wuhan 430077 China Key Laboratory of Dynamic.Geodesy Institute of Geodesy and Geophysics Chinese Academy of Sciences Wuhan 430077 China Graduate Sc.ool of c.inese Ac.demy of sciences Beijing 100049 China Dep.rtment of Surveying and Map.ing Taiyuan University of Technology Taiyuan 030024 China

The buildings and struc.ures of mines were monitored automatic.lly using modern surveying technology. Through the analysis of the monitoring data, the deformation c.arac.eristic. were found out from three asp.c.s c.ntaining p.ints, lines and regions, whic. p.ay an imp.rtant role in understanding the stable state of buildings and struc.ures. The stability and deformation of monitoring p.ints were analysed, and time-series data of monitoring p.ints were denoised with wavelet analysis and Kalman filtering, and exp.nent func.ion and p.riodic.func.ion were used to get the ideal deformation trend model of monitoring p.ints. Through c.lc.lating the monitoring data obtained, analyzing the deformation trend, and c.gnizing the deformation regularity, it c.n better servic. mine safety p.oduc.ion and dec.sion-making.

关键词： wavelet analysis Kalman filtering deformation monitoring data analysis mine

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Transp.rt network and flow mec.anism of shallow ore-bearing magma in Tongling ore c.uster area

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science c.ina Earth sciences 2006年第4期49卷 397-407页

作者： DENG Jun1,2, WANG Qingfei1,2 , HUANG Dinghua3 , WAN Li4. YANG Liqiang1,2 & GAO Bangfei1,2 1. State Key Laboratory of Geologic.l p.oc.sses and Mineral Resourc.s, c.ina University of Geosciences, beijing 100083, c.ina 2. Key Laboratory of Lithosp.ere Tec.onic. and Lithop.obing technology of ministry of Educ.tion, c.ina University of Geo- sciences, beijing 100083, c.ina 3. Fac.lty of Earth sciences, c.ina University of Geosciences, Wuhan 4.0074. c.ina 4. Sc.ool of Mathematic. and Information science, Guangzhou University, Guangzhou 5104.5, c.ina State Key Laboratory of Geologic.l p.oc.sses and Mineral Resourc.s China University of Geosciences Beijing China Key Laboratory of Lithosp.ere Tec.onic. and Lithop.obing technology of ministry of Educ.tion China University of Geosciences Beijing China Fac.lty of Earth sciences China University of Geosciences Wuhan China Sc.ool of Mathematic. and Information science Guangzhou University Guangzhou China

Abundant studies revealed that shallow intrusions of the Yanshanian ep.c. resulted in the mass mineralization of the Tongling region. Various evidenc.s showed there existed a c.nc.aled magma c.amber at ?10 km dep.h in the middle p.rt of this region during Yanshanian ep.c., from whic. the ore-forming magma was generated and then transp.rted to the sup.rfic.al layer. Yet the transp.rt network and flow mec.anism of the shallow ore-bearing magma, the key p.oblem assoc.- ated with ore-forming p.oc.ss, was relatively little foc.sed on. Integrate analysis of struc.ural me- c.anic., statistic.l frac.al and geologic.l fac.s suggested that NE trending high-angle fold-related thrust faults and the tessellated basement ones served as the main p.thways for the shallow magma’s transp.rting, moreover, the saddle void sp.c.s among adjac.nt strata in the folds up.n this fault system p.ovided the p.ac. for magma’s emp.ac.ment. So the folds in the up.er p.rt and faults in the lower p.rt of the up.er c.ust c.nstituted the fluid’s transp.rt and emp.ac.ment network. During the deformation of geologic.body with multi-layer struc.ure, the layers in the up.er p.rt tended to fold when rec.ived the jac.ing stress from the lower p.rt, while the lower one inc.ined to fault undergoing loads of the up.er p.rt. And the p.oduc.ng p.obability of this struc.ure assemblage was highly in- c.eased in the c.ndition, suc. as in the Tongling area, that the mec.anic.rigidity of the lower layers was stronger than that of the up.er ones. For the p.e-existenc. of fluid-c.nduc.ing network, the top.magma with high volatile in the magma c.amber transp.rted rap.dly to the sup.rfic.al layer in dyking p.ttern, loc.ted in the void sp.c.s of folds, filled and rec.nstruc.ed them. The sudden drop.of p.es- sure c.used the fluid unmixing from the magma and mass ore-forming elements c.nc.ntration. p.lse ac.ivity of the dyking may be the p.inc.p.l reason why magmatic.bodies in the Tongling area were sp.tially-temp.rally c.n

关键词： Tongling, struc.ural network, magma intrusion, frac.al, dyke.

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Fluoresc.nc. dynamic. of interac.ions between p.lyamide p.p.p.βDp.and DNA

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science c.ina c.emistry 2006年第1期49卷 75-80页

作者： ZHANG Huijuan1,2, WANG Jin3, WU Yishi1, YUAN Gu3, AI Xic.eng1, WANG Li4.& ZHANG Jianp.ng1 1. State Key Laboratory for Struc.ural c.emistry of Unstable and Stable Sp.c.es, Institute of c.emistry, c.inese Ac.demy of sciences, beijing 100080, c.ina 2. Sc.ool of Life science and technology, beijing Institute of technology, beijing 100081, c.ina 3. c.llege of c.emistry and Molec.lar Engineering, p.king University, beijing 100080, c.ina 4. c.nter for c.ndensed Matter p.ysic., Institute of p.ysic., c.inese Ac.demy of sciences, beijing 100080, c.ina c.rresp.ndenc. should be addressed to Ai Xic.eng and Zhang Jianp.ng State Key Laboratory for Struc.ural c.emistry of Unstable and Stable Sp.c.es Institute of Chemistry Chinese Academy of Sciences Beijing China Sc.ool of Life science and technology Beijing Institute of Technology Beijing China c.llege of c.emistry and Molec.lar Engineering Peking University Beijing China c.nter for c.ndensed Matter p.ysic. Institute of Physics Chinese Academy of Sciences Beijing China

The p.otop.ysic.l p.op.rties of the p.lyamide p.p.p.βDp.(p.p. were investigated by means of steady-state absorp.ion and fluoresc.nc. sp.c.rosc.p.es, as well as time-resolved fluo-resc.nc. sp.c.rosc.p.. It was found that the exc.ted-state p.op.rties of p.p.are very sensitive to solvents. In TKMc.buffer p.p.exhibited weak fluoresc.nc. with a dec.y time c.nstant of 16 p., while with the dec.ease of the solvent p.larity p.p.showed the blue-shifted p.ak p.sition, inc.eased inten-sity and lengthened life-time for its fluoresc.nc. behavior. In the p.esenc. of c.lf thymus DNA, it was observed that the fluoresc.nc. intensity was enhanc.d and the fluoresc.nc. lifetime inc.eased from 16 to 32 p. for p.p. whic. verified that p.p.bound into the minor groove of DNA dup.ex.

关键词： p.lyamide (p.p., c.lf thymus DNA (c.DNA), time-resolved fluoresc.nc. sp.c.rosc.p., rec.gnition dynamic..

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Southeastern extension of the Red River fault zone (RRFZ) and its tec.onic.evolution signific.nc. in western South c.ina Sea

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science c.ina Earth sciences 2006年第8期49卷 839-850页

作者： LIU Baoming1,2,3, XIA Bin1, LI Xuxuan1,3, ZHANG Minqiang1,3, NIU Binhua2, ZHONG Lifeng1, JIN Qinghuan1,4.& JI Shaoc.eng1,5 1. Key Laboratory of Marginal Sea Geology and Resourc.s, c.inese Ac.demy of sciences,Guangzhou 51064., c.ina 2. c.ina University of Geosciences (beijing), beijing 100083, c.ina 3. Researc. c.nter of science & technology Dep.rtment, c.OOc. beijing 100027, c.ina 4. Guangzhou Marine Geologic.l Survey, ministry of Land & Resourc.s, Guangzhou 510075, c.ina 5. Ec.le p.lytec.nique Montreal, H3c.A7, c.nada Key Laboratory of Marginal Sea Geology and Resourc.s Chinese Academy of Sciences Guangzhou China c.ina University of Geosciences (beijing) Beijing China Researc. c.nter of science & technology Dep.rtment CNOOC Beijing China Guangzhou Marine Geologic.l Survey Ministry of Land & Resources Guangzhou China Ec.le p.lytec.nique Montreal Canada

Rec.nt geop.ysic.l surveys and basin modeling suggest that the No.1 fault in the Ying- gehai basin (YGHB) is the seaward elongation of the Red River fault zone (RRFZ) in the South c.ina Sea (Sc.). The RRFZ, whic. sep.rates the South c.ina and Indoc.ina bloc., extends first along the Yuedong fault, offshore of Vietnam, and then c.ntinues southward and breaks off into two branc.es: the Lup.r fault and the Tinjia fault. The southern extension of the Lup.r fault dies out beneath the NW Borneo while the Tinjia fault extends southeast and reac.es the Brunei-Sabah area. Ac.ording to the gravity and geomagnetic.data, and the tec.onic.evolution of the basins, there are different evolution histories between the Wan’an basin (WAB) and the basins in the Nansha bloc.. The Tinjia fault may be the boundary between the Balingian bloc. and the Nansha bloc.. Henc., the line linking the Yue- dong fault and the Tinjia fault, whic. both are c.ntinental margin faults and strike-slip.ones in the geologic.l evolution histories, c.nstitute the boundary between the Indoc.ina and Nansha bloc.. The Lup.r fault, in c.ntrast, is an intrap.ate fault within the Indoc.ina bloc.. The results p.ovide new hints for rec.nstruc.ing the tec.onic.evolution history of the RRFZ and the op.ning of the Sc., and also a framework for hydroc.rbon p.osp.c.ing in the region.

关键词： Red River fault zone, tec.onic evolution, fault, extension, western South c.ina Sea.

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Ap.lic.tion of bac.flush and mic.o-flow tec.niques to the analysis of c.—c.3 hydroc.rbons in c.ude oils and its geoc.emic.l signific.nc.

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p.ogress in Natural science:Materials International 2007年第11期17卷 1382-1387页

作者： Wang p.irong1,2, Zhao Hong2,3, Xu Guanjun1,4. Zhu c.ishan2,3, Xiao Tingrong4. Zhang Min2,3 and Zhang Bin1,4.1. Key Laboratory of p.troleum Geoc.emistry, c.ina National p.troleum c.rp.ration, beijing 100083, c.ina 2. Geoc.emistry Dep.rtment of Yangtze University, Jingzhou 4.4.23, c.ina 3. Key Laboratory of Exp.oration Tec.nologies for Oil and Gas Resourc.s, ministry of Educ.tion, Yangtze University, Jingzhou 4.4.23, c.ina 4. p.troleum Geology c.ntral Laboratory, Researc. Institute of p.troleum Exp.oration and Develop.ent, p.troc.ina, beijing 100083, c.ina) Key Laboratory of p.troleum Geoc.emistry China National Petroleum Corporation Beijing 100083 China Geoc.emistry Dep.rtment Yangtze University Jingzhou 434023 China Key Laboratory of Exp.oration Tec.nologies for Oil and Gas Resourc.s Yangtze University Jingzhou 434023 China p.troleum Geology c.ntral Laboratory Research Institute of Petroleum Exploration and Development PetroChina Beijing 100083 China

An Agilent 6890N Gc.equip.ed with both FID and Agilent 5975 MSD analyzer has been emp.oyed to analyze c.—c.3 hydroc.rbon frac.ions of c.ude oils. A tec.nic.l c.mbination of p.ogram temp.rature volatilizer injec.ion, bac.flush and mic.o-flow c.ntroller afforded a fine sep.ration of c.—c.3 c.mp.unds on a p.NA c.lumn with the heavy p.rt of c.ude oils being c.t off before entering the analytic.l c.lumn. Both Gc.FID c.romatogram and Gc.MS mass c.romatograms (MID and full sc.n) c.uld be obtained at the same time. The retension time differenc.s of nc.—nc.3 alkanes between Gc.and TIc.were in the range of 0.02—0.58 minutes. Totally 286 p.aks have been assigned group.c.mp.sitions. Results on 8 typ.c.l oil samp.es from c.p. Key Laboratory c.ude Oil Library showed that the c.arac.eristic. of c.—c.3 hydroc.rbon group.c.mp.sition c.uld be used in oil-oil c.rrelation studies.

关键词： Gc.analysis Gc.MS analysis bac.flush mic.o-flow c.ntroller light frac.ion in c.ude oil

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Develop.ent and ap.lic.tion of ergodic.ty model with FRc. and FLAR for hydrologic.l p.oc.ss

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science c.ina(Tec.nologic.l sciences) 2009年第2期52卷 379-386页

作者： WANG HongRui1, FENG QiLei2, LIN Xin3 & ZENG WenYi4.1 c.llege of Water science, Key Laboratory for Water and Sediment sciences of the ministry of Educ.tion, beijing Normal University, beijing 100875, c.ina 2 Sc.ool of science, beijing Institute of Educ.tion, beijing 100011, c.ina 3 Sc.ool of Mathematic.l sciences, beijing Normal University, beijing 100875, c.ina 4.c.llege of Information science and technology, beijing Normal University, beijing 100875, c.ina c.llege of Water science Key Laboratory for Water and Sediment Sciences of the Ministry of Education Beijing Normal University Beijing China Sc.ool of science Beijing Institute of Education Beijing China Sc.ool of Mathematic.l sciences Beijing Normal University Beijing China c.llege of Information science and technology Beijing Normal University Beijing China

In this p.p.r, a new ergodic.p.op.rty analysis model of hydrologic.l p.oc.ss is p.op.sed based on fuzzy-rough c.means c.ustering (FRc.), autoc.rrelogram, and fuzzy least absolute regression (FLAR). A p.ec.p.tation time series (1951―2004. from Shanghai Hydrology Station is then analyzed with the model. The results show that the p.ec.p.tation time series of Ap.il, May, June, and Sep.ember has er-godic.p.op.rty. We c.nc.ude that in the long run, the p.ec.p.tation of Ap.il, May, June, and Sep.ember will not keep.dec.easing; it will c.nverge to its mean value in some p.riod.

关键词： hydrologic.l p.oc.ss ergodic autoc.rrelogram fuzzy-rough c.means c.ustering fuzzy least absolute regression

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Monitoring of ric. c.op.using ENVISAT ASAR data

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science c.ina Earth sciences 2006年第7期49卷 755-763页

作者： DONG Yanfang1, 2, SUN Guoqing1,3 & p.NG Yong4.1. State Key Laboratory of Remote Sensing science, Institute of Remote Sensing Ap.lic.tions, c.inese Ac.demy of sciences, beijing 100101, c.ina 2. Graduate University of c.inese Ac.demy of sciences, beijing 100039, c.ina 3. Dep.rtment of Geograp.y, University of Maryland, c.llege p.rk, MD 2074., USA 4. Forest Remote Sensing Lab, Researc. Institute of Forest Resourc. and Information technology, c.inese Ac.demy of For-estry, beijing 100091, c.ina State Key Laboratory of Remote Sensing science Institute of Remote Sensing Applications Chinese Academy of Sciences Beijing China Graduate University of c.inese Ac.demy of sciences Beijing China Dep.rtment of Geograp.y University of Maryland College Park USA Forest Remote Sensing Lab Research Institute of Forest Resource and Information Technology Chinese Academy of Forestry Beijing China

Bec.use of the c.oudy c.nditions during the ric. growth p.riod, ric. is one of the agri-c.ltural c.op. most suited to monitoring with the SAR instruments. Bac.sc.tter resp.nse measured by SAR is c.rrelated with ric. c.nditions, inc.uding height, density, biomass and struc.ure, whic. are variable at different growing stages. In this p.p.r, multi-date ENVISAT ASAR Alternating p.larization Mode (Ap.ode) imageries were ac.uired during the ric. c.op.growing c.c.e. At the same time, the ric. p.rameters were measured in field. A c.ntinuous c.nop. model was used to c.mp.te the bac.-sc.ttering from ric. fields during the growth c.c.e, and the relationship.between ric. p.rameters and radar bac.sc.ttering c.effic.ents from both ASAR and modeling was analyzed. The effec.s of p.lari-zation, inc.denc. angle and p.larization on radar bac.sc.ttering c.effic.ents were analyzed. It was found that simulated radar bac.sc.tter has similar trends as ASAR data. This will be meaningful for the further researc. of ric. p.rameters estimation from ASAR data. Different features show signifi-c.ntly different signatures in ASAR images and they follow some c.rtain laws, so ric. area c.n be ac.urately map.ed by using multi-temp.ral SAR images, then ric. yield c.n be estimated.

关键词： ric., ASAR, radar bac.sc.ttering, model.

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The c.ustal struc.ure under Sanjiang and its dynamic.imp.ic.tions:Revealed by seismic.reflec.ion/refrac.ion p.ofile between Zhefang and Binc.uan,Yunnan

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science c.ina Earth sciences 2005年第9期48卷 1329-1336页

作者： ZHANG Zhongjie1, BAI Zhiming1, WANG c.unyong2, TENG Jiwen1, Lü Qingtian3, LI Jiliang1, LIU Yifeng1 & LIU Zhenkuan4.1. Institute of Geology and Geop.ysic., c.inese Ac.demy of sciences, beijing 100029, c.ina 2. Institute of Geop.ysic., c.ina Seismologic.l Bureau, beijing 100085, c.ina 3. Institute of Dep.sition Resourc., c.inese Ac.demy of Geosciences, beijing 100037, c.ina 4. Sc.ool of Exp.oration and Information, c.ina University of Geosciences, beijing 100083, c.ina Institute of Geology and Geop.ysic. Chinese Academy of Sciences Beijing China Institute of Geop.ysic. China Seismological Bureau Beijing China Institute of Dep.sition Resourc. Chinese Academy of Geosciences Beijing China Sc.ool of Exp.oration and Information China University of Geosciences Beijing China

The fault belts in Sanjiang mainly inc.ude Jinshajiang-Honghe fault, Lanc.ngjiang fault and Nujiang fault (c.lled Sanjiang faults) in western Yunnan p.ovinc., c.ina. By interp.eting the wide-angle seismic.reflec.ion/refrac.ion p.ofile between Zhefang and Binc.uan, whic. c.osses Tengc.ong and Baoshan bloc.s in Dianxi (western Yunnan) tec.onic.zone, we rec.n- struc. the c.ustal struc.ure with seismic.traveltime tomograp.y for c.ustal p.wave veloc.ty and the seismic.sc.ttering image for c.ustal seismic.reflec.ion struc.ure. In this p.p.r, we firstly p.esent the c.ustal struc.ure images of p.wave veloc.ty and seismic.reflec.ion under the wide-angle seismic.p.ofile. These results demonstrate that, the c.ustal veloc.ty struc.ure and seismic.reflec. tion struc.ure along the p.ofile c.n be divided into 3 segments, and there is an obvious differenc. of c.ustal struc.ure among the eastern, the western and the middle segment. Generally, c.ustal p.wave veloc.ties in the Baoshan segment are 0.1―0.2 km/s slower and seismic.reflec.ion am- p.itudes from Moho disc.ntinuity are stronger than the other 2 segments. In the studied area, c.ustal thic.ness is about 4. km, and shows the thic.ening tendenc. from west to east along the p.ofile. Additionally, it c.n be seen that there is one strong-amp.itude seismic.reflec.ion event as bright p.ints at the dep.hs of 8―10 km, along the segment of 80―115 km of the p.ofile (south- ward of Tengc.ong); and seismic.reflec.ion wave-field from Moho disc.ntinuity varies obviously along the lateral direc.ion. Finally, we make some disc.ssions on the c.ustal thic.ening p.ttern in the Sanjiang fault belt, struc.ural environment of earthquake develop.ent and the c.ntac. rela- tionship.between the Tengc.ong bloc., Banshan bloc. and Luxi trough.

关键词： Sanjiang area wide-angle seismic.p.ofile c.ustal struc.ure.

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